Welcome to your 07 Math

1. 
If the sum of two numbers is -12. If one of them is 18, find the other number?
2. 
If two dozen bananas cost ₹120, then what is the cost of 10 bananas?
3. 
Find the rational number that should be subtracted from 5 so as to get 7/9?
4. 
In the standard form of a rational number, the common factor of numerator and denominator is always:
5. 
Observe the shapes 1, 2, 3 and 4 in the figures. Which of the following statements is not correct?
6. 
The ratio of the length and breadth of a plot is 3:2. If the breadth is 40 m less than the length, what is the perimeter of the plot?
7. 
By observing the number line state which of the following statements is not true.
8. 
A rectangle measures 8 cm on length and its diagonal measures 10 cm. What is the perimeter of the rectangle?
9. 
Which of the following statements is not true?        

(a) When two positive integers are added, we always get a positive integer.
(b) When two negative integers are added, we always get a negative integer.
(c) When a positive integer and a negative integer are added, we always get a negative integer.
(d) Additive inverse of an integer 2 is (-2) and additive inverse of (-2) is 2.

Deselect Answer

10. 
Two rational numbers are said to be equivalent or equal, if they have the same ______ form
11. 
Circumference of a circle disc is 88 cm. Its radius is
12. 
Which of the following does not represent an integer?
13. 
Area of a right-angled triangle is 30 cm2. If its smallest side is 5 cm, then its hypotenuse is
14. 
Which of the following rational numbers is equal to its reciprocal?
15. 
In a park of dimensions 20 m x 15 m, there is a L shaped 1 m wide flower bed as shown in the figure. Find the total cost of fertiliser for the flower bed at the rate of ₹ 50 per sq m.
16. 
A number when divided by 6 gives the quotient 6. What is the number?
17. 
Find the value of 8 × 53 × (–125)
18. 
A watch is getting slow by 6 minutes for each hour in a day. If it shows 8 a.m. now, what will be the time after 10 hours in the watch?
19. 
225% is equal to
20. 
What percent is 120 of 90?